Versus Engine
G305 LIGHTSPEED vs Keychron K3 HE
Specs, price and the one trade-off that actually decides it — G305 LIGHTSPEED against Keychron K3 HE, side by side.
Cheaper to start
Tie
Both start at a similar price.
Rated higher
Keychron K3 HE
8.8 vs 0.0 on our design scale.
Standout
G305 LIGHTSPEED
DPI range: 200 to 12,000 DPI
G305 LIGHTSPEED
G305 LIGHTSPEED, a gaming mouse with a 200 to 12,000 DPI range.
Where it wins, where it doesn't
Pros
- Wide DPI range for precise control
- LIGHTSPEED wireless technology for low latency
- 250-hour battery life for extended use
Cons
- High carbon footprint of 8.76 kg CO2e
Specifications
- ConnectivityWireless
- Battery IndicatorLocked Locked
- BluetoothLocked N/A
- brandLogitech G
- brand / nameLogitech
- categorygaming-mice
- Click NoiseLocked Locked
- colorLilac
- Configuration SoftwareLocked Locked
- CPILocked Locked
- dpi_range200 to 12,000 DPI
- Expected ConnectionLocked Lock ms
- Extra IncludedLocked Locked
- firmware—
- frame_material—
- Gliding ExperienceLocked Locked
- In The BoxLocked Locked
- keycap_material—
- macOS CompatibilityLocked Locked
- MaterialLocked Locked
- Maximum Polling RateLocked Locked
- Minimum Lift Off DistanceLocked Lock mm
- modelG305
- Mouse FeetLocked Locked
- nameLogitech G305 LIGHTSPEED
- On-Board MemoryLocked Locked
- On/Off ActivationLocked Locked
- plate_material—
- Polling Rate AdjustmentLocked Locked
- polling_rate—
- profile—
- Profile Auto-SwitchingLocked Locked
- Profile ConfigurationLocked Locked
- ReceiverLocked Lock ms
- Receiver ExtenderLocked Locked
- Receiver StoringLocked Locked
- review / dateModified2026-07-13T11:29:03-0300
- review / datePublished2021-12-21T17:20:29-0300
- review / nameLogitech G305 LIGHTSPEED MOUSE REVIEW
- review / publisher / nameRTINGS.com
- review / reviewBodyThe Logitech G305 LIGHTSPEED is a wireless gaming mouse with a solid, plastic shell. It connects using a USB receiver and uses a single AA battery for power. Its...
- review / reviewRating / bestRating10
- review / reviewRating / ratingValue8.4
- review / reviewRating / worstRating0
- RGB On/OffLocked Locked
- Scroll Wheel TypeLocked Locked
- Sensor ModelLocked Locked
- sensor_technologyHERO
- sku910-006020
- Software macOS CompatibilityLocked Locked
- Software NameLocked Locked
- Software Windows CompatibilityLocked Locked
- switch_foam—
- switch_type—
- switches—
- type—
- Windows CompatibilityLocked Locked
- wireless_technologyLIGHTSPEED
- Works On GlassLocked Locked

Keychron K3 HE
Low-profile mechanical keyboard with magnetic analog (Hall effect) switches, allowing per-key actuation adjustment and analog input. Listed in this index as a setup peripheral for desk-based local AI workstations.
Where it wins, where it doesn't
Pros
- Magnetic Hall Effect switches
- Ultra-low profile design
- Customizable actuation points
Cons
- Battery life is shorter at 1000Hz polling
- ABS keycaps on standard variants
Specifications
- Connectivity2.4 GHz Wireless
- Battery Indicator—
- Bluetooth—
- brand—
- brand / name—
- category—
- Click Noise—
- color—
- Configuration Software—
- CPI—
- dpi_range—
- Expected Connection—
- Extra Included—
- firmwareQMK open-source
- frame_materialFull Metal
- Gliding Experience—
- In The Box—
- keycap_materialLow profile double-shot PBT
- macOS Compatibility—
- Material—
- Maximum Polling Rate—
- Minimum Lift Off Distance—
- model—
- Mouse Feet—
- name—
- On-Board Memory—
- On/Off Activation—
- plate_materialCNC aluminum
- Polling Rate Adjustment—
- polling_rate8K
- profilelow-profile
- Profile Auto-Switching—
- Profile Configuration—
- Receiver—
- Receiver Extender—
- Receiver Storing—
- review / dateModified—
- review / datePublished—
- review / name—
- review / publisher / name—
- review / reviewBody—
- review / reviewRating / bestRating—
- review / reviewRating / ratingValue—
- review / reviewRating / worstRating—
- RGB On/Off—
- Scroll Wheel Type—
- Sensor Model—
- sensor_technology—
- sku—
- Software macOS Compatibility—
- Software Name—
- Software Windows Compatibility—
- switch_foamPremium acoustic foams such as sound absorbing foam and latex
- switch_typeMagnetic Switch
- switchesmagnetic analog (Hall effect)
- typemechanical-keyboard
- Windows Compatibility—
- wireless_technology—
- Works On Glass—
